Files
docker-cli/components/engine/cmd/dockerd/docker.go
John Starks 4fa4d37ded Windows: Support running dockerd as a service
This adds support for Windows dockerd to run as a Windows service, managed
by the service control manager. The log is written to the Windows event
log (and can be viewed in the event viewer or in PowerShell). If there is
a Go panic, the stack is written to a file panic.log in the Docker root.

Signed-off-by: John Starks <jostarks@microsoft.com>
Upstream-commit: 57aef3b49025aac6bb084491478eb461b14b9109
Component: engine
2016-04-26 14:04:47 -07:00

83 lines
1.8 KiB
Go

package main
import (
"fmt"
"os"
"github.com/Sirupsen/logrus"
"github.com/docker/docker/dockerversion"
flag "github.com/docker/docker/pkg/mflag"
"github.com/docker/docker/pkg/reexec"
"github.com/docker/docker/pkg/term"
"github.com/docker/docker/utils"
)
var (
daemonCli = NewDaemonCli()
flHelp = flag.Bool([]string{"h", "-help"}, false, "Print usage")
flVersion = flag.Bool([]string{"v", "-version"}, false, "Print version information and quit")
)
func main() {
if reexec.Init() {
return
}
// Set terminal emulation based on platform as required.
_, stdout, stderr := term.StdStreams()
logrus.SetOutput(stderr)
flag.Merge(flag.CommandLine, daemonCli.commonFlags.FlagSet)
flag.Usage = func() {
fmt.Fprint(stdout, "Usage: dockerd [ --help | -v | --version ]\n\n")
fmt.Fprint(stdout, "A self-sufficient runtime for containers.\n\nOptions:\n")
flag.CommandLine.SetOutput(stdout)
flag.PrintDefaults()
}
flag.CommandLine.ShortUsage = func() {
fmt.Fprint(stderr, "\nUsage:\tdockerd [OPTIONS]\n")
}
if err := flag.CommandLine.ParseFlags(os.Args[1:], false); err != nil {
os.Exit(1)
}
if *flVersion {
showVersion()
return
}
if *flHelp {
// if global flag --help is present, regardless of what other options and commands there are,
// just print the usage.
flag.Usage()
return
}
// On Windows, this may be launching as a service or with an option to
// register the service.
stop, err := initService()
if err != nil {
logrus.Fatal(err)
}
if !stop {
err = daemonCli.start()
notifyShutdown(err)
if err != nil {
logrus.Fatal(err)
}
}
}
func showVersion() {
if utils.ExperimentalBuild() {
fmt.Printf("Docker version %s, build %s, experimental\n", dockerversion.Version, dockerversion.GitCommit)
} else {
fmt.Printf("Docker version %s, build %s\n", dockerversion.Version, dockerversion.GitCommit)
}
}